'''Islip Invitational''' is a [[Division C]] invitational hosted by [[Islip High School]] in the state of [[New York]].

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The '''Long Island Invitational''' or '''LISO Invitational''', (formerly known as '''Islip Invitational''') is a [[Division B]] and [[Division C]] invitational hosted by [[Syosset High School]] (initially [[Islip High School]], changed to [[Kellenberg Memorial High School]] for the 2019 season, and Syosset for 2020) in the state of [[New York]]. It is usually the largest Division C invitational in the state.